The century-long battle against weeds heads to space

Farmers in parts of NSW have been battling the African lovegrass weed for more than a century. (Supplied/AAP PHOTOS)

On sweeping and sometimes snowy plains in prime grazing country, an environmental threat lurks in the grass.

Invasive weed African lovegrass is a "beast" farmers in the NSW Snowy Monaro region have been battling for more than a century, the council's biosecurity co-ordinator Brett Jones says.